Đạt Nguyễn Trọng
Giới thiệu về bản thân
Zeppppppppppppppppppppplantttt!!!!!!!!!!!!!!
0
0
0
0
0
0
0
2024-01-05 20:31:02
y³ - 8 - 6y(y - 2)
= (y³ - 8) - 6y(y - 2)
= (y - 2)(y² + 2y + 4) - 6y(y - 2)
= (y - 2)(y² + 2y + 4 - 6y)
= (y - 2)(y² - 4y + 4)
= (y - 2)(y - 2)²
2024-01-05 20:28:56
x2+2xy+y2-x-y
=(x+y)2-(x+y)
=(x+y)(x+y-1)
2024-01-05 20:26:43
3x2-3y2-12x+12y
=3(x2-y2)-12(x-y)
=3(x-y)(x+y)-4.3(x-y)
=3(x-y)(x+y-4)